MMWR. Morbidity and mortality weekly report, Vol. 35, no. 6, February 14, 1986

In-transit chemical spill--West Virginia -- Update: poliomyelitis outbreak--Finland, 1984-1985 -- Salmonella heidelberg outbreak at a convention--New Mexico -- Update: influenza activity--United States--and influenza type B virus drift -- Table I. Summary-cases specified notifiable diseases, United States -- Table II. Notifiable diseases of low frequency, United States -- Table III. Cases of specified notifiable diseases, United States, weeks ending February 8, 1986 and February 9, 1985 (6th week) -- Table IV. Deaths in 121 U.S. cities, week ending February 8, 1986 (6th week) -- Figure I. Reported measles cases\u2014United States, weeks 2-5, 19861986626